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NPD: small North Sea oil discovery

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Oilfield Technology,

Wintershall Norge AS, operator of production licence 248, has announced the completion of the drilling of wildcat wells 35/8-6 S and 35/8-6 A.

The wells were drilled approximately 5km northwest of the Vega field in the North Sea and 150 km northwest of Bergen. The purpose was to prove petroleum in Upper Jurassic reservoir rocks.

Well 35/8-6 S encountered a poorly developed reservoir in the Heather formation, the well is dry.

Well 35/8-6 A encountered a 3 m oil column in the Heather formation with poor reservoir quality.

Preliminary estimates concerning the size of the discovery range between 0.2 and 1 million m3 of recoverable oil, as such extensive data collection and sampling have been undertaken.

These are the sixth and seventh exploration wells in production licence 248.

Wells 35/8-6 S and 35/8-6 A were drilled to a measured depth of 4043 m and 3800 m, respectively, below sea level and to a vertical depth of 3713 m and 3529 m, respectively, below sea level. Both were terminated in the Heather formation.

The sea depth is 381 m. The wells have now been permanently plugged and abandoned.

Wells 35/8-6 S and 35/8-6 A were drilled by Borgland Dolphin, which is now heading for production licence 248 F in the North Sea to drill wildcat well 35/11-19 S, which is operated by Wintershall Norge AS.

Edited from press release by

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